package com.itheima.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.common.R;
import com.itheima.entity.Category;
import com.itheima.entity.Dish;
import com.itheima.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/*
 * 菜品分类管理
 * 套餐分类管理
 * */
@RestController
@RequestMapping("/category")
@Slf4j
public class CategoryController {

    @Autowired
    private CategoryService categoryService;

    /*
     * 新增分类
     * */
    @PostMapping
    public R<String> save(@RequestBody Category category) {
        log.info("category:{}", category);
        categoryService.save(category);
        return R.success("新增分类成功");
    }

    /*
     * 分页查询
     * */
    @GetMapping("/page")
    public R<Page> page(int page, int pageSize) {
        //分页构造器
        Page<Category> pageInfo = new Page<>(page, pageSize);

        //条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        //按照排序字段进行排序
        lqw.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        //进行分页查询
        categoryService.page(pageInfo, lqw);

        return R.success(pageInfo);
    }

    /*
     * 根据id删除分类
     * */
    @DeleteMapping
    public R<String> delete(Long ids) {
        log.info("删除id为{}的分类", ids);

        //categoryService.removeById(ids);
        categoryService.remove(ids);
        return R.success("分类信息删除成功");
    }

    /*
     * 根据id进行修改
     * */
    @PutMapping
    public R<String> update(@RequestBody Category category) {
        log.info("修改分类信息{}", category);

        categoryService.updateById(category);
        return R.success("分类信息修改成功");
    }

    /*
     * 在菜品表中显示菜品分类,根据条件查询(接收String type也可以)
     * */
    @GetMapping("/list")
    public R<List<Category>> list(Category category) {
        //条件构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        //设置查找条件
        lqw.eq(category.getType() != null, Category::getType, category.getType());
        //设置排序条件
        lqw.orderByAsc(Category::getSort).orderByDesc(Category::getUpdateTime);

        List<Category> list = categoryService.list(lqw);
        return R.success(list);
    }




}
